

Hello Mr Ripley,
i was waiting you to ask and if you don't mind if there is a fast way in R to do these loops made with R and that takes a week because my matrix is with thousand of rows.
I got another method that is more fast and is utilised by many packages : interfacing with other languages", but it is only a question for information 
 

foo<-function()
 {for (i in 1:(n-1)){
   for (k in (i+1):n){ 
   b_0
   for (j in 1:m){
    if(bin[i,j]==TRUE&bin[k,j]==TRUE) b_b+1}
         print (b)
 } 
     }
  }

Thanks a lot
Ramzi



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